30Saving as to position of teachers.
Subject as hereinafter provided, no person shall be disqualified by reason of his religious opinions, or of his attending or omitting to attend religious worship, from being a teacher in a county school or in any voluntary school, or from being otherwise employed for the purposes of such a school ; and no teacher in any such school shall be required to give religious instruction or receive any less emolument or be deprived of, or disqualified for, any promotion or other advantage by reason of the fact that he does or does not give religious instruction or by reason of his religious opinions or of his attending or omitting to attend religious worship :
Provided that, save in so far as they require that a teacher shall not receive any less emolument or be deprived of, or disqualified for, any promotion or other advantage by reason of the fact that he gives religious instruction or by reason of his religious opinions or of his attending religious worship, the provisions of this section shall not apply with respect to a teacher in an aided school or with respect to a reserved teacher in any controlled school or special agreement school.